Benefits: This is a combat feat that scales with your Base Attack Bonus. * +0: You ignore 5 points of hardness with your unarmed attacks, and you can make Sunder attacks unarmed. * +1: You get a +3 bonus to attack rolls with a Sunder attempt if you are unarmed. You can inflict critical hits on objects with your unarmed attacks. * +6: The critical threat range for your unarmed attacks are doubled against items and objects. * +11: All unarmed attacks you make against items and objects deal 1d6 extra damage. * +16: Your unarmed attacks ignore hardness.